{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "DNA", "RNA", "cell line"], "input": "Nuclear transcription studies in vitro showed that LTB4 increased the transcription of the c-fos gene 7-fold and the c-jun gene 1.4-fold."}
{"cell type": [], "protein": [], "DNA": ["c-fos gene", "c-jun gene"], "RNA": [], "cell line": []}